diff --git a/docker-compose.yml b/docker-compose.yml
index 8fbb234..90b55a0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -66,7 +66,7 @@ services:
       dockerfile: Dockerfile.rest-traffic
     command: >
       python /opt/traffic.py
-      -mn=${TRAFFIC_MULTIPLE_NODES:-http://waku-simulator_nwaku_[1..5]:8645}
+      -mn=${TRAFFIC_MULTIPLE_NODES:-http://waku-simulator_nwaku_[1..$NUM_NWAKU_NODES]:8645}
       -s=${TRAFFIC_MESSAGE_SIZE_KB:-10}
       -d=${TRAFFIC_DELAY_SECONDS:-15}
     volumes:
diff --git a/run_nwaku.sh b/run_nwaku.sh
index 2a69a73..ef259d0 100755
--- a/run_nwaku.sh
+++ b/run_nwaku.sh
@@ -4,12 +4,11 @@ IP=$(ip a | grep "inet " | grep -Fv 127.0.0.1 | sed 's/.*inet \([^/]*\).*/\1/')
 
 echo "My container name is: $HOSTNAME"
 
+# Get an unique node index based on the container's IP
 FOURTH_OCTET=${IP##*.}
 THIRD_OCTET="${IP%.*}"; THIRD_OCTET="${THIRD_OCTET##*.}"
 NODE_INDEX=$((FOURTH_OCTET + 256 * THIRD_OCTET))
 
-echo "FOURTH_OCTET $FOURTH_OCTET"
-echo "THIRD_OCTET $THIRD_OCTET"
 echo "NODE_INDEX $NODE_INDEX"
 echo "$IP"
 
@@ -38,9 +37,9 @@ exec /usr/bin/wakunode\
       --rest-admin=true\
       --rest-private=true\
       --rest-address=0.0.0.0\
-      #--rln-relay=true\
-      #--rln-relay-dynamic=false\
-      #--rln-relay-membership-index=${NODE_INDEX}\
+      --rln-relay=true\
+      --rln-relay-dynamic=false\
+      --rln-relay-membership-index=${NODE_INDEX}\
       --dns-discovery=true\
       --discv5-discovery=true\
       --discv5-enr-auto-update=True\
diff --git a/traffic.py b/traffic.py
index 834ccea..e674d12 100644
--- a/traffic.py
+++ b/traffic.py
@@ -38,7 +38,6 @@ def send_waku_msg(node_address, kbytes, pubsub_topic, content_topic):
 
     if(response != None):
       elapsed_ms = (time.time() - s_time) * 1000
-      print(response.status_code, response.text)
       print('Response from %s: status:%s content:%s [%.4f ms.]' % (node_address, \
         response.status_code, response.text, elapsed_ms))